/**
 * Copyright 2015 Apigee Corporation.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package io.apigee.trireme.servlet.internal;

import io.apigee.trireme.kernel.handles.IOCompletionHandler;

import java.nio.ByteBuffer;

public class ResponseChunk
{
    private final ByteBuffer buf;
    private final int len;
    private final IOCompletionHandler<Integer> cb;

    public ResponseChunk(ByteBuffer buf, IOCompletionHandler<Integer> cb)
    {
        this.buf = buf;
        this.cb = cb;
        this.len = (buf == null ? 0 : buf.remaining());
    }

    public ByteBuffer getBuffer() {
        return buf;
    }

    public void invokeCallback(int errCode)
    {
        if (cb != null) {
            cb.ioComplete(errCode, len);
        }
    }
}
